Derivatives - Schedule of Interest Rate Hedging Instruments (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative assets	$ 8,461,000	$ 54,361,000
Derivative liabilities	2,032,000	0
U.S. Treasury futures
Derivative [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, at Carrying Value	0
Derivative liabilities	34,200,000	219,900,000
U.S. Treasury futures | Short position | Not Designated as Hedging Instrument, Economic Hedge
Derivative [Line Items]
Notional balance	5,395,000,000	4,880,000,000
Interest rate swaps
Derivative [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, at Carrying Value	0
Derivative liabilities	100,000	0
Interest rate swaps | Not Designated as Hedging Instrument, Economic Hedge
Derivative [Line Items]
Notional balance	$ 10,000,000	$ 0
Derivative, Fixed Interest Rate	4.15%
Interest rate swaps | Not Designated as Hedging Instrument, Economic Hedge | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Derivative [Line Items]
Notional balance	$ 10,000,000